Cuvette holder



FIG. 1 is a a top plan view of a cuvette holder showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof, opposite that shown in FIG. 2;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof; and,

FIG. 8 is a bottom perspective view thereof. 

The ornamental design for a cuvette holder, as shown and described. 